1353765126640 has 20 divisors (see below), whose sum is σ = 3147503919624. Its totient is φ = 541506050624.

The previous prime is 1353765126619. The next prime is 1353765126643. The reversal of 1353765126640 is 466215673531.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1353765126643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8461031962 + ... + 8461032121.

Almost surely, 2^{1353765126640} is an apocalyptic number.

1353765126640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1353765126640 is an abundant number, since it is smaller than the sum of its proper divisors (1793738792984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1353765126640 is a wasteful number, since it uses less digits than its factorization.

1353765126640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16922064096 (or 16922064090 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 1353765126640 in words is "one trillion, three hundred fifty-three billion, seven hundred sixty-five million, one hundred twenty-six thousand, six hundred forty".